Finding the Fourth Proportional to 839,011.30, 1,157,829.66 and 457,038.08
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Solution
The fourth proportional to 839,011.30, 1,157,829.66 and 457,038.08 is: 630,709.32
Step by Step Solution
- Step 1: Write the proportion equation
839,011.30 : 1,157,829.66 = 457,038.08 : x - Step 2: Convert to fraction form
839,011.30/1,157,829.66 = 457,038.08/x - Step 3: Cross multiply
839,011.30x = 1,157,829.66 × 457,038.08 - Step 4: Simplify right side
839,011.30x = 529,172,244,773.45 - Step 5: Solve for x
x = 529,172,244,773.45/839,011.30 - Step 6: Final answer
x = 630,709.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.